DOCUMENT AND ENTITY INFORMATION	9 Months Ended
	Apr. 30, 2012	Jun. 01, 2012
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Entity Registrant Name	PALL CORP
Entity Central Index Key	0000075829
Current Fiscal Year End Date	--07-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		116,202,448